*SUPPORT*
IN: dax fep dax OUT: PINK PINK PINK
IN: tufa lug fep lug OUT: YELLOW GREEN YELLOW GREEN YELLOW
IN: tufa tufa OUT: GREEN GREEN
IN: lug OUT: YELLOW
IN: tufa fep tufa OUT: GREEN GREEN GREEN
IN: tufa gazzer OUT: GREEN GREEN GREEN
IN: blicket blicket gazzer OUT: PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE
IN: lug fep tufa OUT: GREEN YELLOW YELLOW
IN: dax dax fep tufa OUT: GREEN PINK PINK PINK PINK
IN: tufa OUT: GREEN
IN: tufa lug OUT: GREEN YELLOW
IN: blicket lug OUT: PURPLE YELLOW
IN: dax OUT: PINK
IN: dax tufa OUT: PINK GREEN

*QUERY*
IN: lug blicket OUT: YELLOW PURPLE
IN: blicket OUT: PURPLE
IN: dax gazzer OUT: PINK PINK PINK
IN: dax dax OUT: PINK PINK
IN: lug tufa OUT: YELLOW GREEN
IN: lug gazzer OUT: YELLOW YELLOW YELLOW
IN: blicket fep tufa OUT: GREEN PURPLE PURPLE
IN: lug fep dax fep blicket OUT: PURPLE PINK YELLOW YELLOW PINK YELLOW YELLOW
IN: blicket fep dax OUT: PINK PURPLE PURPLE
IN: blicket tufa OUT: PURPLE GREEN

*GRAMMAR*
blicket -> PURPLE 
 lug -> YELLOW 
 tufa -> GREEN 
 dax -> PINK 
 x1 wif x2 -> [x1] [x1] [x1] [x2] [x1] [x2] [x2] 
 x1 gazzer -> [x1] [x1] [x1] 
 x1 fep u1 -> [u1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 